title: Sensitivity and specificity can both improve as more investigations are used.
authors.forename: N
authors.initials: N
authors.lastname: Gillespie
authors.forename: S
authors.initials: S
authors.lastname: Pringle
authors.forename: A
authors.initials: A
authors.lastname: Struthers
mesh_terms: D002303:Cardiac Output, Low / Q000175:diagnosis*; D004417:Dyspnea / Q000175:diagnosis*; D006801:Humans; D012680:Sensitivity and Specificity